Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 41 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Utility/RegularExpression.cpp b/gnu/llvm/lldb/source/Utility/RegularExpression.cpp
new file mode 100644
index 00000000000..fd9d963f729
--- /dev/null
+++ b/gnu/llvm/lldb/source/Utility/RegularExpression.cpp
@@ -0,0 +1,41 @@
+//===-- RegularExpression.cpp -----------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Utility/RegularExpression.h"
+
+#include <string>
+
+using namespace lldb_private;
+
+RegularExpression::RegularExpression(llvm::StringRef str)
+    : m_regex_text(str),
+      // m_regex does not reference str anymore after it is constructed.
+      m_regex(llvm::Regex(str)) {}
+
+RegularExpression::RegularExpression(const RegularExpression &rhs)
+    : RegularExpression(rhs.GetText()) {}
+
+bool RegularExpression::Execute(
+    llvm::StringRef str,
+    llvm::SmallVectorImpl<llvm::StringRef> *matches) const {
+  if (!IsValid())
+    return false;
+  return m_regex.match(str, matches);
+}
+
+bool RegularExpression::IsValid() const { return m_regex.isValid(); }
+
+llvm::StringRef RegularExpression::GetText() const { return m_regex_text; }
+
+llvm::Error RegularExpression::GetError() const {
+  std::string error;
+  if (!m_regex.isValid(error))
+    return llvm::make_error<llvm::StringError>(llvm::inconvertibleErrorCode(),
+                                               error);
+  return llvm::Error::success();
+}